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Thread: Cleaning CPL

  1. #1

    Default Cleaning CPL

    hi guys i got a B+W CPL filter..

    decided to clean it with a normal camera lens cleaning cloth due to water marks (i have no idea why) on it.

    However after i cleaned it my cloth became black... is it because of the dirt? or are we not supposed to clean them due to the tinting of the lens etc?

  2. #2
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    Default Re: Cleaning CPL

    Quote Originally Posted by st0pandst4re View Post
    hi guys i got a B+W CPL filter..

    decided to clean it with a normal camera lens cleaning cloth due to water marks (i have no idea why) on it.

    However after i cleaned it my cloth became black... is it because of the dirt? or are we not supposed to clean them due to the tinting of the lens etc?
    For CPL, never clean the rear part as that's the coating for the CPL and cleaning it will wear off the coating and render the polarising effect useless over time. If u want to clean, only clean the exterior surface.
    Canon EOS 5D, 24-70 f/4 L IS, 50 f/1.2 L, 70-300 f/4-5.6 L IS, 600EX-RT. Sigma 12-24 f/4.5-5.6 EX.

  3. #3

    Default Re: Cleaning CPL

    Snoweagle , can it be used with lens tissue and cleaning liquid solution and will the coating will come off or not.

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    Default Re: Cleaning CPL

    Quote Originally Posted by melvyn83 View Post
    Snoweagle , can it be used with lens tissue and cleaning liquid solution and will the coating will come off or not.
    Those are ok but ONLY if u clean the front part.
    Canon EOS 5D, 24-70 f/4 L IS, 50 f/1.2 L, 70-300 f/4-5.6 L IS, 600EX-RT. Sigma 12-24 f/4.5-5.6 EX.

  5. #5
    Member HHenrYY's Avatar
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    Default Re: Cleaning CPL

    so meaning only the front part, exterior , can be cleaned.

    but how did u get the interior watermarked ?

  6. #6
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    Default Re: Cleaning CPL

    Quote Originally Posted by HHenrYY View Post
    so meaning only the front part, exterior , can be cleaned.

    but how did u get the interior watermarked ?
    Interior watermarked???
    Canon EOS 5D, 24-70 f/4 L IS, 50 f/1.2 L, 70-300 f/4-5.6 L IS, 600EX-RT. Sigma 12-24 f/4.5-5.6 EX.

  7. #7

    Default Re: Cleaning CPL

    Quote Originally Posted by Snoweagle View Post
    Interior watermarked???
    I think he is trying to say that he has stained the back of his CPL. there is some water stain... how to get rid of them? i'm curious to find out too

  8. #8
    Senior Member B-setting's Avatar
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    Default Re: Cleaning CPL

    the water at the back part of the CPL could be due to condensation?

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    Default Re: Cleaning CPL

    Quote Originally Posted by chiangkxv View Post
    I think he is trying to say that he has stained the back of his CPL. there is some water stain... how to get rid of them? i'm curious to find out too
    The only way is to gently wipe it off, no choice if u want to get it out. But the coating's not until so 'fragile' but prolonged cleaning of that area over time will wear out the polarizing coating.
    Canon EOS 5D, 24-70 f/4 L IS, 50 f/1.2 L, 70-300 f/4-5.6 L IS, 600EX-RT. Sigma 12-24 f/4.5-5.6 EX.

  10. #10

    Default Re: Cleaning CPL

    hey guys thanks for the help!
    i've no idea whether it was the coating that came off!
    but anyhow the mark is gone!

    shall take note and not clean anywhere but the exterior side of the lens! thanks =)

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